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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:32:38
WDS:
HDS2203
WDS ID/Discoverer
P:
26.310
Orbital period (years)
a:
0.23
Semi-major axis (arcseconds)
i:
80.8
Inclination (degrees)
Ω:
117.2
Longitude of ascending node (degrees)
T:
2013.880
Epoch of periastron passage (year)
e:
0.372
Eccentricity
ω:
297.8
Longitude of periastron (degrees)
Start-Year:
2012.0
Year
End-Year:
2038.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
153755.38+500455.8
Epoch-2000 right ascension and declination
WDS-ID:
15379+5005
WDS designation
Discoverer Code:
HDS2203
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
139779
HD catalog number
Hipparcos number:
76540
Hipparcos catalog number
V1:
8.03
Magnitude of the primary
V2:
9.84
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2010
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.089 264.4
-------------------------
2012.0 0.080 314.1
2013.0 0.024 27.6
2014.0 0.078 102.7
2015.0 0.135 112.5
2016.0 0.168 117.1
2017.0 0.178 120.6
2018.0 0.169 124.1
2019.0 0.149 128.3
2020.0 0.122 134.2
2021.0 0.091 143.9
2022.0 0.062 163.2
2023.0 0.047 202.7
2024.0 0.060 243.9
2025.0 0.089 264.4
2026.0 0.121 274.4
2027.0 0.153 280.2
2028.0 0.182 284.0
2029.0 0.208 286.9
2030.0 0.229 289.1
2031.0 0.245 291.0
2032.0 0.255 292.7
2033.0 0.257 294.3
2034.0 0.250 296.0
2035.0 0.233 297.8
2036.0 0.203 300.1
2037.0 0.159 303.3
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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